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NorthWestern Energy Group, Inc. — SCHEDULE 13G/A Filings

5 SCHEDULE 13G/A filings on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by NorthWestern Energy Group, Inc. (NWE), sorted by most recent first. Each row links to the full filing on EdgarLookup. NorthWestern Energy Group, Inc. has filed 5 SCHEDULE 13G/A documents with the SEC since 2023. To view all SEC filings by NorthWestern Energy Group, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 144 3 4 425 8-K 8-K12G3 ANNLRPT ARS DEF 14A DEFA14A DEFM14A S-3ASR S-8 SC 13G/A SCHEDULE 13G/A
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-001990 Mar 27, 2026
SCHEDULE 13G/A 0000052388-25-000170 Aug 14, 2025
SCHEDULE 13G/A 0001060021-25-000060 Apr 3, 2025
SCHEDULE 13G/A 0000052388-25-000053 Feb 14, 2025
SCHEDULE 13G/A 0002012383-25-001535 Feb 5, 2025